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What the F is wrong with my car?

 
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Old 03-13-2010, 07:24 PM
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What the F is wrong with my car?

I got a 92 prelude with 2.3l dohc
codes 14 and 41 car idles from 1500 to 300 rpm
surges like a bad iacv, found vacuum leaks and fixed them
made sure there was no air pocket in the iacv because i know there are know for them did the necessary testing iacv and found it to be bad
replaced IAC VALVE with a new one
still idles really high, not surging tho. around 3000 rpm then after it warms up a little it starts to drop. sometimes when you hit the gas, it will surge like it did before, sometimes it reacts normal and starts to drop the idle and sometimes it just goes back to the same high idle.

Now i just took it for a drive and it pretty much dies at 30mph and then comes back. does that everytime

now i shut it off and its the first time it did this, now it doesn't start

WHY???
Im a tech myself and im stumped
tps seems ok, testing show it to be fine
wiring seems to be ok for iac and tps
throttle body was really dirty and i cleaned it seems run better
but i dont get whats happening here

HELP!?!?!?!
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Old 05-13-2010, 11:57 AM
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Re: What the F is wrong with my car?

check ur MAP sensor. workin on a customer car the other day and it was a 98 accord and it idled high due to bad connection at the sensor.
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